Simple DirectMedia Layer up to 1.2.15/2.0.9 video/SDL_blit_1.c Blit1to4 memory corruption

Summaryinfo

A vulnerability was found in Simple DirectMedia Layer up to 1.2.15/2.0.9. It has been classified as critical. This impacts the function Blit1to4 of the file video/SDL_blit_1.c. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2019-7635. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Simple DirectMedia Layer up to 1.2.15/2.0.9 and classified as critical. This issue affects the function Blit1to4 of the file video/SDL_blit_1.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

SDL (Simple DirectMedia Layer) through 1.2.15 and 2.x through 2.0.9 has a heap-based buffer over-read in Blit1to4 in video/SDL_blit_1.c.

The bug was discovered 02/07/2019. The weakness was disclosed 02/08/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-7635 since 02/08/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277627 (Fedora Security Update for SDL (FEDORA-2019-7a554204c1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-130653, VDB-130654, VDB-130655 and VDB-130656 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Simple DirectMedia Layer

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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